class Config(object):
    SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://root:123456@192.168.72.151:3306/hourse_db'
    SQLALCHEMY_TRACK_MODIFICATIONS = True
    SQLALCHEMY_ECHO = False # 打印原生sql语句，便于观察debug
    # SQLALCHEMY_POOL_SIZE = 10   # 连接池大小
    # SQLALCHEMY_POOL_TIMEOUT = 30   # 连接超时时间
    # SQLALCHEMY_POOL_RECYCLE = 240   # 多少秒后对连接进行回收
    SECRET_KEY = '123456'